Focuses on the comparative mechanisms by which a single cell gives rise to a complex, multicellular organism. Uses the perspective of classical embryology, modern cell biology and molecular genetics. Includes recent advances in developmental biology with emphasis on species comparisons and evolutionary relationships. Includes small student groups that independently design, implement, analyze and present a semester-long research project that culminates in an audiovisual presentation in a simulated symposium-style format. Three hours lecture and three hours laboratory. Prerequisites: BIO-230 Unity and Diversity of Life and BIO-239 Genetics, each with a minimum grade of C or permission of instructor. [ 4 credits ]